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3 years ago

PLEASE HELP ITS URGENT how can you use an equation to make a prediction from a pattern?

1 answer:

4 0

An equation can be used to predict values from a pattern by merely substituting any value to determine the equivalent value. An example is the geometric series which has a standard equation of an = a1 * r^(n-1) and is used to predict the nth term of the series

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A town in east Texas received 30 inches of rain in two weeks. If it kept raining at this rate for a 31−day month, how much rain

anyanavicka [17]

Answer:

66 inches

Step-by-step explanation:

This implies that in this specific town in Texas, an average of 30 inches of rain falls every two weeks.

Amount of rain received every two weeks (14 days) = 30 inches.

For a 31 day month, we have:

$\frac{31}{14}$ = 2 $\frac{3}{14}$

Therefore for a 31 day month, the amount of rain received by the town can be determined as;

= 30 x 2 $\frac{3}{14}$

= 66.4285

= 66 inches

The amount of rain received by the town is 66 inches for the 31 days.

5 0

2 years ago

Read 2 more answers

Math question down below

lozanna [386]

Answer:

315

Step-by-step explanation:

42 is 84 percent of 50. If you apply this to 375, you get 315 because 84 percent of 375 is 315

3 0

2 years ago

Solve the system of equations using substitution y=x-1 and y=-2x+5

pav-90 [236]

Since the two equations equal y, set them equal to each other.

x-1=-2x+5

From there, solve for x.

First get x on one side, by using the addition property of equality.

x-1=-2x+5
3x-1=5

Isolate x by adding 1.
3x=6

Lastly get x all by itself by dividing each side by 3.
x=2

You can now substitute your x-value, 2, into one of the equations (or both, if you wish; either one will result in the same answer.)

y=x-1
y=2-1
y=1

OR

y=-2x+5
y=-2(2)+5
y=-4+5
y=1

Final answer:
x=2 and y=1

Any questions or anything you would like me to clarify, feel free to ask :)

7 0

3 years ago

The scheduled arrival time for a daily flight from Boston to New York is 9:30 am. Historical data show that the arrival time fol

Galina-37 [17]

Answer:

Step-by-step explanation:

Let x be a random variable representing the flight arrival time from Boston to New York.

For a uniform probability distribution, the notation is

X U(a, b) where a is the lowest value of x and b is the lowest value of x

The probability density function, f(x) = 1/(b - a)

Mean, µ = (a + b)/2

Standard deviation, σ = √(b - a)²/12

From the information given, the time difference in minutes is 9:57 - 9:07 = 50 minutes. Therefore,

a = 0

b = 50

µ = (0 + 50)/2 = 25

σ = √(50 - 0)²/12 = 14.43

b) converting to minutes, it is 9:30 - 9:07 = 23 minutes

the probability that a flight arrives late(later than 9:30 am) is expressed as P(x > 23)

f(x) = 1/(50) = 0.02

P(x > 23) = (50 - 23)0.02 = 0.54

7 0

2 years ago

Hey ! Can anyone help me solve these problems please. Thank you !

devlian [24]

The answer to solve these problems is that the full circle is 360 degrees, the way to find the answer is to have to equal sides that equal 360 degrees. That means one half of 360 degrees is 180 degrees. Hope this helps.

6 0

2 years ago